package com.bank.config;

import com.fasterxml.jackson.annotation.JsonAutoDetect;
import com.fasterxml.jackson.annotation.PropertyAccessor;
import com.fasterxml.jackson.databind.ObjectMapper;
import org.springframework.cache.annotation.EnableCaching;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.io.ClassPathResource;
import org.springframework.data.redis.connection.RedisConnectionFactory;
import org.springframework.data.redis.connection.lettuce.LettuceConnectionFactory;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.data.redis.core.script.DefaultRedisScript;
import org.springframework.data.redis.serializer.*;

import java.nio.charset.Charset;

/**
 * @author: Lixy
 * @email: 1908598362@qq.com
 * @date: 2022/1/26 星期三 19:25
 */
@EnableCaching
@Configuration
public class RedisConfig {

//    @Bean
//    public RedisTemplate<String, Object> redisTemplate(RedisConnectionFactory redisConnectionFactory) {
//        RedisTemplate<String, Object> template = new RedisTemplate<>();
//        // 配置连接工厂
//        template.setConnectionFactory(redisConnectionFactory);
//
//        //使用Jackson2JsonRedisSerializer来序列化和反序列化redis的value值（默认使用JDK的序列化方式）
//        Jackson2JsonRedisSerializer jacksonSeial = new Jackson2JsonRedisSerializer(Object.class);
//
//        ObjectMapper om = new ObjectMapper();
//        // 指定要序列化的域，field,get和set,以及修饰符范围，ANY是都有包括private和public
//        om.setVisibility(PropertyAccessor.ALL, JsonAutoDetect.Visibility.ANY);
//        // 指定序列化输入的类型，类必须是非final修饰的，final修饰的类，比如String,Integer等会跑出异常
//        om.enableDefaultTyping(ObjectMapper.DefaultTyping.NON_FINAL);
//        jacksonSeial.setObjectMapper(om);
//
//        // 值采用json序列化
//        template.setValueSerializer(jacksonSeial);
//        //使用StringRedisSerializer来序列化和反序列化redis的key值
//        template.setKeySerializer(new StringRedisSerializer());
//
//        // 设置hash key 和value序列化模式
//        template.setHashKeySerializer(new StringRedisSerializer());
//        template.setHashValueSerializer(jacksonSeial);
//        template.afterPropertiesSet();
//
//
//        return template;


    @Bean
    public RedisTemplate<String, Object> redisTemplate(RedisConnectionFactory redisConnectionFactory) {
        RedisTemplate<String, Object> redisTemplate = new RedisTemplate<>();

        redisTemplate.setKeySerializer(new StringRedisSerializer());
        redisTemplate.setValueSerializer(new GenericJackson2JsonRedisSerializer());

        redisTemplate.setHashKeySerializer(new StringRedisSerializer());
        redisTemplate.setHashValueSerializer(new GenericJackson2JsonRedisSerializer());

        redisTemplate.setConnectionFactory(redisConnectionFactory);

        return redisTemplate;
    }
    /**
     * 设置 redisTemplate 的序列化设置
     * @param
     * @return
     */
//    @Bean
//    public RedisTemplate<Object, Object> redisTemplate(RedisConnectionFactory redisConnectionFactory) {
//        // 1.创建 redisTemplate 模版
//        RedisTemplate<Object, Object> template = new RedisTemplate<>();
//        // 2.关联 redisConnectionFactory
//        template.setConnectionFactory(redisConnectionFactory);
//        // 3.创建 序列化类
//        GenericToStringSerializer genericToStringSerializer = new GenericToStringSerializer(Object.class);
//        // 6.序列化类，对象映射设置
//        // 7.设置 value 的转化格式和 key 的转化格式
//        template.setValueSerializer(genericToStringSerializer);
//        template.setKeySerializer(new StringRedisSerializer());
//        template.afterPropertiesSet();
//        return template;
//    }

    @Bean
    public DefaultRedisScript<Long> script(){
        DefaultRedisScript<Long> script = new DefaultRedisScript<>();
        script.setLocation(new ClassPathResource("stock.lua"));
        script.setResultType(Long.class);
        return script;
    }
}

